EP3603587A1 - Procédé de fabrication d'une semelle orthopédique et produit ainsi obtenu - Google Patents
Procédé de fabrication d'une semelle orthopédique et produit ainsi obtenu Download PDFInfo
- Publication number
- EP3603587A1 EP3603587A1 EP18776634.0A EP18776634A EP3603587A1 EP 3603587 A1 EP3603587 A1 EP 3603587A1 EP 18776634 A EP18776634 A EP 18776634A EP 3603587 A1 EP3603587 A1 EP 3603587A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insole
- soft
- manufacturing
- rigid
- soft surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000003801 milling Methods 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 6
- 230000000996 additive effect Effects 0.000 claims abstract description 6
- 238000005304 joining Methods 0.000 claims abstract description 3
- 230000001131 transforming effect Effects 0.000 claims abstract description 3
- 210000002683 foot Anatomy 0.000 description 19
- 239000000463 material Substances 0.000 description 11
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000012528 membrane Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000007170 pathology Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 206010008072 Cerebellar syndrome Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010061159 Foot deformity Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 210000001872 metatarsal bone Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002232 neuromuscular Effects 0.000 description 1
- 230000007823 neuropathy Effects 0.000 description 1
- 201000001119 neuropathy Diseases 0.000 description 1
- 238000001584 occupational therapy Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000392 somatic effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
- A61F5/14—Special medical insertions for shoes for flat-feet, club-feet or the like
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
- A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
- A43B7/147—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties for sick or disabled persons, e.g. persons having osteoarthritis or diabetes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
Definitions
- the object of the present specification is a method for manufacturing an orthopaedic insole and the product thus obtained, whereby the upper part of said insole is geometrically transformed for the purpose of allowing its production by means of milling or additive manufacturing techniques.
- an orthosis according to the definition of the International Organisation for Standardisation (ISO), is a support or another external device (apparatus) applied to the body for modifying functional or structural aspects of the neuromuscular and skeletal system.
- ISO International Organisation for Standardisation
- the term is used to refer to apparatuses or devices, splints, technical aids and supports used in orthopaedics, physiotherapy, and occupational therapy which correct or facilitate the performance of an action, activity, or movement, seeking to save energy and increase safety. They are used to hold, align, or correct deformities and to improve the function of the locomotor system.
- Orthosis are different from prostheses as they do not partially or completely substitute an organ or limb with physical incapacity, disability, or dysmetry, but rather take over or reinforce its functions.
- insoles which are elements placed inside shoes and used as an interface between feet and shoes, fall within said field, and the purpose of the insoles relates to the use thereof as a therapeutic measure in a plethora of pathologies ranging from the treatment of diabetes-associated neuropathies to the correction of dysmetries or the walking pattern.
- the insoles perform their therapeutic action using two fundamental principles: redistribution of pressure and change in foot orientation in the different phases of walking.
- the redistribution of pressure is carried out by means of adding elements to the upper part of the insole, such as metatarsal bars, subcalcaneal unweighting elements, fascial accommodations, etc.
- elements such as metatarsal bars, subcalcaneal unweighting elements, fascial accommodations, etc.
- the idea is that when there is a point on which a large amount of pressure is exerted while walking, that excessive pressure can be reduced by elevating other areas of the insole so that the area of contact of the foot increases or reducing the thickness in the area on which excessive pressure is exerted.
- the change in the walking pattern is carried out by means of modifications in the orientation of the insole, changes in the height and geometry of the arch, or inclined planes in different areas which force the foot to have a different orientation.
- the redistribution of pressure is performed by means of soft insoles or linings made of materials such as EVA to which modules or elements with specific shapes are incorporated.
- the change in the walking pattern can also be performed in insoles manufactured entirely with flexible materials, although the use of rigid bases generally offers a better result.
- an insole can be seen as a "sandwich" or multilayer structure having a rigid base that provides support and allows changing the orientation of the foot during the different phases of walking, and a soft surface on which treatments for the redistribution of pressure are performed.
- insoles were conventionally performed by means of filling a mould of the patient's foot with plaster, subsequently modifying this mould, and performing series of material thermoforming and sanding steps.
- This type of manufacturing technology is applicable both to rigid insoles, generally milled in materials such as polypropylene, and soft insoles, generally milled from blocks of materials such as EVA rubber.
- patent ES 2 336 533 which describes a process for capturing the plantar image through a device with elastic membrane securing and tensioning means, as well as double-sided machining of the insole obtained in said process, the process being characterized by comprising the following steps:
- patent ES 2 021 968 which describes an orthopaedic insole device for providing proper support for a patient's foot within a shoe, provided with a top surface for contacting the foot and a bottom surface for contacting a shoe insole, comprising: a shaped monolithic orthotic material formed in its top surface with a plurality of closely spaced, substantially parallel grooves whereby slippage of the foot relative to the orthotic device is controlled.
- patent WO/2003/015670 describes an improved method of producing insoles that are used to correct foot deformities, comprising a sequence of process steps which begin with a prior diagnosis by a specialist, consisting of the examination of the feet in order to assess and, if the patient so requires, to correct the somatic deficiency thereof by means of surgery or by means of an orthotic insole after having obtained the diagnosis, in order to proceed to the production of the orthotic insole, characterised in that the method comprises:
- this solution means that, while milling one side, given that it is a soft, non-rigid material, the other side may not be machined because the material, instead of being milled, is moved by the tool.
- a (previously attempted) way for machining this soft part consists of sticking a block of soft material on an orthosis or rigid part for subsequent milling in a machine tool.
- the lower surface of the soft part therefore takes the shape of the upper surface of the rigid part, and only the upper surface of the soft part has to be milled.
- the technical problem solved by the present invention is to achieve an orthopaedic insole formed by a rigid base and a soft surface, incorporating a series of reliefs to perform redistributions of pressure while walking and allowing the production thereof by means of milling or additive manufacturing techniques, which allow mass manufacturing, reducing the cost for manufacturing and subsequently selling the obtained product (insole).
- orthopaedic insoles or orthoses can be made by means of machinery present in the state of the art, eliminating the need to have a workshop with sanding and gluing systems and a stock of parts that do not allow making unweighting elements or surface changes for the redistribution of pressure.
- sandwich-type orthopaedic insoles or orthoses can be manufactured within a shorter time with greater precision in element positioning as it allows using 3D modelling techniques that are only available when the insole is not made by means of sandwich-type method.
- the method for manufacturing an orthopaedic insole comprises a first step 1 of 3D modelling a future insole with a specific geometry and which will ideally be formed by a soft surface 10 and a rigid surface 11.
- the software uses mathematical models based on finite element and graph theories, where the structure of the flat upper flat is modelled, modelling a soft object the lower part of which is flat.
- the method comprises a third step 3 for manufacturing the obtained soft surface 10a obtained in the second step 2 by means of milling or additive manufacturing techniques and a fourth step 4 of joining the obtained soft surface 10a to the rigid surface 11, obtaining a sandwich-type insole, as shown in Figure 3 .
- the insole is formed by the soft surface or element 10 and the rigid surface or element 11 which are ideally designed as shown in Figure 2 .
- the way to machine the original soft surface 10 is complicated as it has a curvature on top and another one at the bottom.
- an obtained soft surface 10a which in turn contains a flat lower surface and is capable of obtaining a geometry identical to the geometry of the original soft surface 10 once said obtained soft surface 10a is joined to the rigid surface 11, bending and curving as it is formed from a soft material, as well as obtaining a geometry identical to the geometry of the original soft surface 10.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Nursing (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Diabetes (AREA)
- Rheumatology (AREA)
- Epidemiology (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730204A ES2684077B1 (es) | 2017-03-31 | 2017-03-31 | Procedimiento de fabricacion de una plantilla ortopedica y producto asi obtenido |
| PCT/ES2018/070034 WO2018178426A1 (fr) | 2017-03-31 | 2018-01-17 | Procédé de fabrication d'une semelle orthopédique et produit ainsi obtenu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3603587A1 true EP3603587A1 (fr) | 2020-02-05 |
| EP3603587A4 EP3603587A4 (fr) | 2020-04-15 |
Family
ID=63667349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18776634.0A Pending EP3603587A4 (fr) | 2017-03-31 | 2018-01-17 | Procédé de fabrication d'une semelle orthopédique et produit ainsi obtenu |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20200030132A1 (fr) |
| EP (1) | EP3603587A4 (fr) |
| JP (1) | JP2020515310A (fr) |
| KR (1) | KR20190135510A (fr) |
| CN (1) | CN110461279B (fr) |
| AU (1) | AU2018244237A1 (fr) |
| CA (1) | CA3053547A1 (fr) |
| ES (1) | ES2684077B1 (fr) |
| SG (1) | SG11201908862PA (fr) |
| WO (1) | WO2018178426A1 (fr) |
| ZA (1) | ZA201905515B (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU501536B1 (de) * | 2022-02-22 | 2023-08-22 | Springer Aktiv Ag | Halbzeug, Schablonenteil, Schuheinlage, Vorrichtung und Verfahren zum Fertigen eines solchen Halbzeugs, sowie Verwendung eines Kör-pers eines Schablonenteils |
| DE202024107552U1 (de) | 2024-09-09 | 2025-01-22 | Insolesystems Gmbh | Vorrichtung zum Beziehen 3D-gedruckter orthopädischer Schuheinlagen |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4669142A (en) * | 1985-11-27 | 1987-06-02 | Meyer Grant C | Method for making footwear insole |
| US5054148A (en) | 1989-03-22 | 1991-10-08 | Paragon Podiatry Laboratories | Orthotic with textured surface and method for producing same |
| US5958546A (en) * | 1996-07-08 | 1999-09-28 | Mardix; Bar-Cochva | Custom insoles |
| FR2823097A1 (fr) * | 2001-04-05 | 2002-10-11 | Imp Ation De Diffusion Ou Dist | Procede et dispositif de fabrication d'ortheses plantaires |
| WO2003015670A1 (fr) | 2001-08-13 | 2003-02-27 | Villamayor Coto Jose Antonio | Procede ameliore de production de semelles de correction de deformites du pied et semelle |
| JP2005178135A (ja) * | 2003-12-18 | 2005-07-07 | Noritsu Koki Co Ltd | ラミネートシート、及びラミネート方法 |
| US9910425B2 (en) * | 2006-04-21 | 2018-03-06 | Donald Spector | Method for creating custom orthopedic supports from computerized data inputs |
| ES2336533B1 (es) | 2008-07-16 | 2011-05-11 | Podo Activa, S.L. | Proceso y dispositivo de captacion de la imagen plantar a traves de medios de sujecion y tension de una membrana elastica, asi como el mecanizado a doble cara de la plantilla obtenida en dicho proceso. |
| DE102010016010A1 (de) * | 2009-07-15 | 2011-04-21 | Peter Vatter | Fräseinlagenrohling für die Herstellung einer orthopädischen Schuheinlage |
| EP2589311A1 (fr) * | 2011-11-04 | 2013-05-08 | Spannrit Schuhkomponenten GmbH | Procédé et dispositif de fabrication et d'adaptation de semelles orthopédiques adaptées de manière individuelle |
| CN204233252U (zh) * | 2014-03-28 | 2015-04-01 | 罗云 | 一种膝关节免载辅具的柔性小腿托 |
| US10420669B2 (en) * | 2014-10-01 | 2019-09-24 | Jeffrey S. Rich | Custom multi-layered orthotic/orthosis, and method for forming |
| US20160110479A1 (en) * | 2014-10-15 | 2016-04-21 | Yong Li | System and method for constructing customized foot orthotics |
| CN104699908B (zh) * | 2015-03-24 | 2017-12-12 | 唐力 | 3d矫形鞋垫的制作方法 |
| CN106420143A (zh) * | 2015-08-06 | 2017-02-22 | 太原市德奥假肢矫形康复技术产业有限公司 | 一种快速塑形矫形鞋垫 |
| CN105711091B (zh) * | 2016-02-03 | 2018-06-29 | 华南理工大学 | 一种个性化3d打印鞋垫及其制作方法 |
-
2017
- 2017-03-31 ES ES201730204A patent/ES2684077B1/es active Active
-
2018
- 2018-01-17 US US16/499,769 patent/US20200030132A1/en not_active Abandoned
- 2018-01-17 WO PCT/ES2018/070034 patent/WO2018178426A1/fr not_active Ceased
- 2018-01-17 SG SG11201908862P patent/SG11201908862PA/en unknown
- 2018-01-17 CN CN201880017209.5A patent/CN110461279B/zh active Active
- 2018-01-17 JP JP2019548728A patent/JP2020515310A/ja active Pending
- 2018-01-17 EP EP18776634.0A patent/EP3603587A4/fr active Pending
- 2018-01-17 KR KR1020197032200A patent/KR20190135510A/ko not_active Withdrawn
- 2018-01-17 CA CA3053547A patent/CA3053547A1/fr not_active Abandoned
- 2018-01-17 AU AU2018244237A patent/AU2018244237A1/en not_active Abandoned
-
2019
- 2019-08-21 ZA ZA2019/05515A patent/ZA201905515B/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU501536B1 (de) * | 2022-02-22 | 2023-08-22 | Springer Aktiv Ag | Halbzeug, Schablonenteil, Schuheinlage, Vorrichtung und Verfahren zum Fertigen eines solchen Halbzeugs, sowie Verwendung eines Kör-pers eines Schablonenteils |
| DE202024107552U1 (de) | 2024-09-09 | 2025-01-22 | Insolesystems Gmbh | Vorrichtung zum Beziehen 3D-gedruckter orthopädischer Schuheinlagen |
| DE102024139665B3 (de) | 2024-09-09 | 2025-12-11 | Insolesystems Gmbh | Verfahren und Vorrichtung zum Beziehen 3D-gedruckter orthopädischer Schuheinlagen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110461279A (zh) | 2019-11-15 |
| EP3603587A4 (fr) | 2020-04-15 |
| KR20190135510A (ko) | 2019-12-06 |
| ZA201905515B (en) | 2020-07-29 |
| CN110461279B (zh) | 2023-01-24 |
| ES2684077B1 (es) | 2019-07-05 |
| WO2018178426A1 (fr) | 2018-10-04 |
| SG11201908862PA (en) | 2019-10-30 |
| US20200030132A1 (en) | 2020-01-30 |
| AU2018244237A1 (en) | 2019-09-05 |
| ES2684077A1 (es) | 2018-10-01 |
| CA3053547A1 (fr) | 2018-10-04 |
| JP2020515310A (ja) | 2020-05-28 |
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